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发明人孙丽萍,林芳,刘建华. "Method for the Synthesis of {[4-(2-Dimethylamino-5-trifluoromethyl-pyridin-3-yl)-benzyl]-methyl-amino}-acetic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 115053911 B, 授权公告日 2022-10-08.
发明人马晓峰,王建平,刘建华. "A Process for Preparing High-Purity {[4-(2-Dimethylamino-5-trifluoromethyl-pyridin-3-yl)-benzyl]-methyl-amino}-acetic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 112016100 A, 授权公告日 2019-07-18.
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